diff --git a/testcases/t/245-move-position-mouse.t b/testcases/t/245-move-position-mouse.t
index ae049271..3268e582 100644
--- a/testcases/t/245-move-position-mouse.t
+++ b/testcases/t/245-move-position-mouse.t
@@ -38,7 +38,7 @@ my $root_rect = $x->root->rect;
 
 $config = <<EOT;
 # i3 config file (v4)
-font pango:monospace 8
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 EOT
 $pid = launch_with_config($config);
 
@@ -64,7 +64,7 @@ exit_gracefully($pid);
 
 $config = <<EOT;
 # i3 config file (v4)
-font pango:monospace 8
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 EOT
 $pid = launch_with_config($config);
 
@@ -90,7 +90,7 @@ exit_gracefully($pid);
 
 $config = <<EOT;
 # i3 config file (v4)
-font pango:monospace 8
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 EOT
 $pid = launch_with_config($config);
 
@@ -118,7 +118,7 @@ exit_gracefully($pid);
 
 $config = <<EOT;
 # i3 config file (v4)
-font pango:monospace 8
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 fake-outputs 500x500+0+0,500x500+500+0,500x500+0+500,500x500+500+500
 EOT
 $pid = launch_with_config($config);
diff --git a/testcases/t/254-move-to-output-with-criteria.t b/testcases/t/254-move-to-output-with-criteria.t
index fb832184..b27ded3e 100644
--- a/testcases/t/254-move-to-output-with-criteria.t
+++ b/testcases/t/254-move-to-output-with-criteria.t
@@ -21,7 +21,7 @@ use i3test i3_autostart => 0;
 
 my $config = <<EOT;
 # i3 config file (v4)
-font pango:monospace 8
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 
 fake-outputs 800x600+0+0,800x600+800+0,800x600+0+600,800x600+800+600
 EOT